Grain protein content increased with HDT regardless of nitrogen treatment.By contrast, the influence of HDT on amylose content varied with nitrogen treatments.

• 增温后各氮肥处理蛋白含量均增加，增加幅度与施氮量呈负相关关系，高温高氮处理直链淀粉含量最低，蛋白含量最高。